Heterocyclic Building Blocks-Isoquinoline

LY294002 Enhances Expression of Proteins Encoded by Recombinant Replication-Defective Adenoviruses via mTOR- and Non-mTOR-Dependent Mechanisms was written by Shepelev, Mikhail V.;Korobko, Elena V.;Vinogradova, Tatiana V.;Kopantsev, Eugene P.;Korobko, Igor V.. And the article was included in Molecular Pharmaceutics in 2013.HPLC of Formula: 168425-64-7 This article mentions the following:

Adenovirus-based drugs are efficient when combined with other anticancer treatments. Treatment with LY294002 and LY303511 upregulates expression of recombinant proteins encoded by replication-defective adenoviruses, including expression of therapeutically valuable combination of herpes simplex virus thymidine kinase controlled by human telomerase reverse transcriptase promoter (Ad-hTERT-HSVtk). In line with this, treatment with LY294002 synergized with Ad-hTERT-HSVtk infection in the presence of gancyclovir prodrug on Calu-I lung cancer cell death. The effect of LY294002 and LY303511 on adenovirus-delivered transgene expression was demonstrated in 4 human lung cancer cell lines. LY294002-induced upregulation of adenovirally delivered transgene is mediated in part by direct inhibition of mTOR protein kinase in mTORC2 signaling complex thus suggesting that anticancer drugs targeting mTOR will also enhance expression of transgenes delivered with adenoviral vectors. As both LY294002 and LY303511 are candidate prototypic anticancer drugs, and many mTOR inhibitors for cancer treatment are under development, the authors’ results have important implication for development of future therapeutic strategies with adenoviral gene delivery. In the experiment, the researchers used many compounds, for example, 2-Morpholino-4H-pyrimido[2,1-a]isoquinolin-4-one (cas: 168425-64-7HPLC of Formula: 168425-64-7).

2-Morpholino-4H-pyrimido[2,1-a]isoquinolin-4-one (cas: 168425-64-7) belongs to isoquinoline derivatives. The isoquinoline structure occurs in a considerable number of alkaloids in widely separated plant families. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.HPLC of Formula: 168425-64-7

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Synthesis of isoquinolines by intramolecular aza-Wittig reaction was written by Hickey, Deirdre M. B.;MacKenzie, A. Roderick;Moody, Christopher J.;Rees, Charles W.. And the article was included in Journal of the Chemical Society, Chemical Communications in 1984.Synthetic Route of C11H9NO2 This article mentions the following:

Isoquinolines were formed under mild neutral conditions by intramol. aza-Wittig reaction of iminophosphoranes. E.g., treatment of 2-HCOC₆H₄CH:MC(N₃)CO₂Me with (EtO)₃P in C₆H₆ at room temperature gave 91% Me 3-isoquinolinecarboxylate exclusively. In the experiment, the researchers used many compounds, for example, Methyl isoquinoline-3-carboxylate (cas: 27104-73-0Synthetic Route of C11H9NO2).

Methyl isoquinoline-3-carboxylate (cas: 27104-73-0) belongs to isoquinoline derivatives. Isoquinoline is a structural isomer of quinoline, which have antiseptic, antipyretic and anti-cyclic properties, and can be used as antimalarial drugs and for the preparation of other antimalarial medicine. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Synthetic Route of C11H9NO2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Bioactivity evaluation of berberine sulfate on Microcystis aeruginosa was written by Hu, Yujie;Ni, Hanwen. And the article was included in Nongyao in 2012.Application of 316-41-6 This article mentions the following:

The inhibitory effect of berberine sulfate was evaluated on a kind of bloom-forming cyanophyta (Microcystis aeruginosa). The biomass reduction was obtained by measuring the optical d. and the chlorophyll-a content of the algal solution The EC₅₀ values of berberine sulfate on M. aeruginosa were 1.627 and 0.851 mg a. i. /L resp. according to the above two methods. These results indicated that berberine sulfate had effective inhibition on the growth of M. aeruginosa. In the experiment, the researchers used many compounds, for example, 9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium sulfate(2:1) (cas: 316-41-6Application of 316-41-6).

9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium sulfate(2:1) (cas: 316-41-6) belongs to isoquinoline derivatives. Quinoline and its derivatives are widely used as fungicides, biological agents, antibiotics, alkaloids, dyes, rubber chemicals and flavoring agents. It protonates to form salts upon treatment with strong acids, such as HCl. It forms adducts with Lewis acids, such as BF3.Application of 316-41-6

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

A one-pot synthesis of β-lactams was written by Miyake, Muneharu;Tokutake, Norio;Kirisawa, Makoto. And the article was included in Synthesis in 1983.Application In Synthesis of 1-Phenyl-3,4-dihydroisoquinoline This article mentions the following:

β-Lactams I and II (R = phthalimido, 4-ClC₆H₄O; R¹ = Ph, substituted Ph; R² = substituted Ph; R³ = Ph, O₂NC₆H₄) and III (R = phthalimido, 4-nitrophthalimido, 4-ClC₆H₄O, 4-ClC₆H₄; X = O, S) were obtained in 39-64% yield by treating RCH₂CO₂H with 4-MeC₆H₄SO₂Cl and R¹CH:NR², 3,4-dihydroisoquinolines, or 2-phenyl-5,6-dihydro-4H-thiazine or oxazine in a 1-pot reaction. In the experiment, the researchers used many compounds, for example, 1-Phenyl-3,4-dihydroisoquinoline (cas: 52250-50-7Application In Synthesis of 1-Phenyl-3,4-dihydroisoquinoline).

1-Phenyl-3,4-dihydroisoquinoline (cas: 52250-50-7) belongs to isoquinoline derivatives. Quinoline is a mancude organic heterobicyclic parent, an azaarene, an ortho-fused heteroarene and a member of isoquinolines. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Application In Synthesis of 1-Phenyl-3,4-dihydroisoquinoline

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Determination of homopiperazine in fasudil hydrochloride injection by UPLC-MS/MS was written by Shao, Hong-xia;Wang, Hui;Qin, Qiu-ming. And the article was included in Zhejiang Huagong in 2021.Application In Synthesis of 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride This article mentions the following:

Objective: To establish an ultra high performance liquid phase-tandem mass spectrometry (UPLC-MS/MS) method for the determination of homopiperazine in fasudil hydrochloride injection. Methods: The sample was diluted with an appropriate amount of 1 mol·L^-1 sodium hydroxide solution, then extracted and injected with acetonitrile. The optimal conditions were mobile phase: methanol-0.1% formic acid aqueous solution, column: Acquity UPLC BEH C18 (2.1 mm × 100 mm, 1.7 μm). Multiple reaction monitoring (MRM) mode was performed with Electron Spray Ionization (ESI) operating in the pos. ionization mode. Results: Homopiperazine had a good linear relationship within 360-2400 μg·L^-1 (correlation coefficient r = 0.9977). The relative average deviation (RSD) of the repeatability tests was 1%, the recovery rate was 87-100%, and the LOD (S/N was about 3) was 60 μg·L^-1. The sample solution was stable within 24 h at room temperature Conclusion: This experiment has established a method for the determination of homopiperazine in fasudil hydrochloride injection. This method has the advantages of simple pretreatment, rapid anal., high sensitivity, accurate determination results, and strong specificity, and can be applied to the quality monitoring of drugs. In the experiment, the researchers used many compounds, for example, 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7Application In Synthesis of 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride).

5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7) belongs to isoquinoline derivatives. Quinoline and its derivatives are widely used as fungicides, biological agents, antibiotics, alkaloids, dyes, rubber chemicals and flavoring agents. The Pomeranz–Fritsch reaction provides a method for the preparation of isoquinoline. This reaction uses a benzaldehyde and aminoacetoaldehyde diethyl acetal, which in an acid medium react to form isoquinoline.Application In Synthesis of 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Effect of hydrochloride fasudil on serum TGF-β₁ and MCP-1 in early diabetic nephrosis patients was written by Huang, Cong. And the article was included in Biaoji Mianyi Fenxi Yu Linchuang in 2015.Recommanded Product: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride This article mentions the following:

Objective To explore the changes of serum TGF-β₁ and MCP-1 in diabetic nephrosis patients after treated with Fasudil injection. Methods 100 early diabetic nephrosis patients were randomly divided into the group A (control group,50 cases) and group B(50 cases). AU patients received routine therapy, while patients in group B were addnl. given fasudil injection for 2 wk. The level of serum TGF-β₁ and MCP-1 were measured by the ELISA before and after the treatment. Results After the treatment, the levels of TGF-β₁ and MCP-1 in group A had not significant Changes(P>0.05), While the levels of TGF-β₁ and MCP-1 in group B after treatment were much lower than that of before treatment(P <0.05). The decrease of TGF-β₁ and MCP-1 were more significant in group B than that of in group A after treatment( P < 0.05). Conclusion On the basis of routine therapy, Fasudil injection could inhibit the expression of TGF-β₁ and MCP-1, which has good curative effect on early diabetic nephrosis. In the experiment, the researchers used many compounds, for example, 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7Recommanded Product: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride).

5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7) belongs to isoquinoline derivatives. Quinoline and isoquinoline skeletons are among the most attractive frameworks with a wide range of biological and pharmacological activities. Isoquinoline-type alkaloids show biological activities similar to those of morphinane-, protoberberine-, and benzophenanthridine-type alkaloids.Recommanded Product: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Differential Prescribing of Antimuscarinic Agents in Older Adults with Cognitive Impairment was written by Vouri, Scott Martin;Schootman, Mario;Strope, Seth A.;Birge, Stanley J.;Olsen, Margaret A.. And the article was included in Drugs & Aging in 2018.Safety of (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate This article mentions the following:

Oral oxybutynin has been associated with the development of cognitive impairment. The objective of this study was to describe the use of oral oxybutynin vs. other antimuscarinics (e.g., tolterodine, darifenacin, solifenacin, trospium, fesoterodine, transdermal oxybutynin) in older adults with documented cognitive impairment. This is a population-based retrospective anal. of antimuscarinic new users aged ≥ 66 years from Jan. 2008 to Dec. 2011 (n = 42,886) using a 5% random sample of Medicare claims linked with Part D data. Cognitive impairment was defined as a diagnosis of mild cognitive impairment, dementia, use of antidementia medication, and memory loss/drug-induced cognitive conditions in the year prior to the initial antimuscarinic claim. We used multivariable generalized linear models to assess indicators of cognitive impairment associated with initiation of oral oxybutynin vs. other antimuscarinics after adjusting for comorbid conditions. In total, 33% received oral oxybutynin as initial therapy. Cognitive impairment was documented in 10,259 (23.9%) patients prior to antimuscarinic therapy. Patients with cognitive impairment were 5% more likely to initiate another antimuscarinic vs. oral oxybutynin (relative risk [RR] 1.05; 95% confidence interval [CI] 1.03-1.06). The proportion of patients with cognitive impairment initiated on oral oxybutynin increased from 24.1% in 2008 to 41.1% in 2011. The total cost of oral oxybutynin, in $US, year 2011 values, decreased by 10.5%, whereas the total cost of other antimuscarinics increased by 50.3% from 2008 to 2011. Our findings suggest opportunities for quality improvement of antimuscarinic prescribing in older adults, but this may be hampered by cost and formulary restrictions. In the experiment, the researchers used many compounds, for example, (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1Safety of (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate).

(S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1) belongs to isoquinoline derivatives. Quinoline and its derivatives are widely used as fungicides, biological agents, antibiotics, alkaloids, dyes, rubber chemicals and flavoring agents. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Safety of (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Effect of fasudil hydrochloride on the level of serum lysophosphatidic acid was written by Bi, Yu-hua;Zou, Li;Li, Xia. And the article was included in Linchuang Yixue in 2013.Reference of 105628-07-7 This article mentions the following:

To investigate the effect of fasudil hydrochloride on the level of serum lysophosphatidic acid (LPA) in patients with acute anterior circulation infarction, a total of 47 patients with acute anterior circulation infarction were randomly divided into fasudil group (n=23) and routine treatment group(n=24). Patients in routine treatment group were given routine treatment, and patients in fasudil group were given fasudil hydrochloride 30 mg, i.v. drip, twice a day for 14 days on the basis of traditional treatment. 4 ML of venous blood samples was taken to measure the levels of LPA before and after treatment. Results showed that the LPA levels in both groups were decreased after 14 days of treatment (P<0.05). However, the indicator in the fasudil group were improved more significantly compared with the routine treatment group (P<0.05). In summary, fasudil could decrease the levels of serum LPA and improve patient’s prognosis. In the experiment, the researchers used many compounds, for example, 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7Reference of 105628-07-7).

5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. They are also used to make oil-soluble dyes, food colorants, pharmaceuticals, pH indicators and other organic compounds. Reference of 105628-07-7

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Effective Alkoxylation of Phosphorescent Heteroleptic Iridium(III) Compounds Bearing Fluorinated Bipyridine Ligands was written by Oh, Hankook;Park, Ki-Min;Hwang, Hyonseok;Oh, Sihyun;Lee, Ji Hye;Lu, Jia-Sheng;Wang, Suning;Kang, Youngjin. And the article was included in Organometallics in 2013.Reference of 486-73-7 This article mentions the following:

Facile 1-pot synthetic methods for new alkoxo-functionalized heteroleptic cyclometalated Ir(III) compounds were developed. Nucleophilic substitution of F atoms in [(dfpypy)₂Ir(μ-Cl)]₂ (dfpypy = 2′,6′-difluoro-2,3′-bipyridine) by a methoxyethanol in the presence of an ancillary ligand gave the new alkoxo-functionalized heteroleptic Ir(III) compounds Ir[(RO)₂pypy]₂(NÕ) (NÕ = picolinate, pyrazinate, isoquinoline carboxylate, quinoline carboxylate) in good yields. These compounds have a distorted octahedral geometry around the Ir(III) center with an N,N-trans-meridional configuration. They exhibit intense blue to yellow phosphorescence (λ_max = 453-558 nm) with moderate to excellent quantum efficiencies (0.22 to 0.96). Comparative studies on the fluoro analogs, Ir(dfpypy)₂(NÕ), were carried out. The authors’ study established that the substitution of a fluorine atom by an alkoxy chain can greatly improve the solubility of the compounds in common organic solvents without significantly altering the emission color and efficiencies, making alkoxy-functionalized Ir(III) compounds potential candidates for use in solution-processable phosphorescence OLEDs. In the experiment, the researchers used many compounds, for example, Isoquinoline-1-carboxylic acid (cas: 486-73-7Reference of 486-73-7).

Isoquinoline-1-carboxylic acid (cas: 486-73-7) belongs to isoquinoline derivatives. Quinoline is a catabolite of tryptophan, the basic structure of some antihypertensive drugs, such as the peripheral vasodilators prazosin and doxazosin. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Reference of 486-73-7

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Asymmetric synthesis and cytotoxicity of (-)-saframycin A analogues was written by Dong, Wenfang;Liu, Wei;Yan, Zheng;Liao, Xiangwei;Guan, Baohe;Wang, Nan;Liu, Zhanzhu. And the article was included in European Journal of Medicinal Chemistry in 2012.Recommanded Product: Isoquinoline-1-carboxylic acid This article mentions the following:

(-)-Saframycin A and its nineteen analogs I [R = (E)-3-F₃CC₆H₄CH:CH, PhCONHCH₂, 2-thienyl, etc.] were prepared from L-tyrosine in 24 steps, and their structures were confirmed through NMR and HRMS. The cytotoxicities of these compounds were tested against HCT-8, BEL-7402, Ketr3, A2780, MCF-7, A549, BGC-803, Hela, HELF and KB cell lines. The IC₅₀ values of the cytotoxicity of most compounds were at the level of nM. Compound I (R = 2-furyl) showed the most potent cytotoxicity of all these compounds with an average IC₅₀ value of 6.06 nM. In the experiment, the researchers used many compounds, for example, Isoquinoline-1-carboxylic acid (cas: 486-73-7Recommanded Product: Isoquinoline-1-carboxylic acid).

Isoquinoline-1-carboxylic acid (cas: 486-73-7) belongs to isoquinoline derivatives. Although isoquinoline derivatives can be synthesized by several methods, relatively few direct methods deliver the unsubstituted isoquinoline. Isoquinoline-type alkaloids show biological activities similar to those of morphinane-, protoberberine-, and benzophenanthridine-type alkaloids.Recommanded Product: Isoquinoline-1-carboxylic acid

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem